The FCS Christenson Keel PG Large Black Twin Fins are a large keel twin set designed by Chris Christenson — built for fish and twin fin shapes that demand smooth, flowing rail-to-rail transitions and speed through powerful turns. The curved leading and trailing edges keep transitions silky, while the thick flat foil provides the grip needed through big open-face carves and on steeper waves.

• Template: Keel with curved leading and trailing edge — designed for smooth rail-to-rail transitions and hold through turns
• Construction: Performance Glass (PG) — woven fiberglass for a lively, responsive flex matched to the flowing keel style
• Foil: Thick, flat foil — provides grip through big turns and open-face carves; minimal flutter at speed
• Size: Large — suited to heavier surfers and fish designs that reward a larger keel template
• Colorway: Black
• Board Compatibility: All board types including fish, funboards, and twin fin designs
• Fin System: FCS II — tool-free installation
• Sold as: A pair (left + right)

Sizing Note: Christenson Keel PG Large is a large keel template suited to heavier surfers on fish shapes. Confirm FCS II twin fin box configuration on your board before ordering.

Care: Rinse in fresh water after each use. Inspect keel edges for chips. Store in a fin wallet or padded bag between sessions.